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Abstract #0781

Integration of PET/MR hybrid imaging into radiation therapy treatment planning

Daniel H Paulus 1 , Daniela Thorwarth 2 , and Harald H Quick 1

1 Institute of Medical Physics, University of Erlangen-Nuremberg, Erlangen, Germany, 2 Section of Biomedical Physics, University Hospital for Radiation Oncology, Eberhard-Karls-Universitt Tbingen, Tbingen, Germany

MR and PET imaging have both become an important part in radiation therapy (RT) treatment planning to improve the accuracy of target volume delineation. A prototype RT table and two RF coil holders that each fix one flexible body matrix RF coil for head imaging are introduced for hybrid PET/MR imaging and tested towards MR and PET compatibility. MR and PET image quality has been validated with phantom scans and attenuation correction methods are presented. Furthermore, an in vivo study on two patients has been included to illustrate the clinical usage of these RT devices in PET/MR hybrid imaging.

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